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Finding the Fourth Proportional to 72,892.81, 109,092.33 and 44,830.66

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Solution

The fourth proportional to 72,892.81, 109,092.33 and 44,830.66 is: 67,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,892.81 : 109,092.33 = 44,830.66 : x
  2. Step 2: Convert to fraction form
    72,892.81/109,092.33 = 44,830.66/x
  3. Step 3: Cross multiply
    72,892.81x = 109,092.33 × 44,830.66
  4. Step 4: Simplify right side
    72,892.81x = 4,890,681,154.84
  5. Step 5: Solve for x
    x = 4,890,681,154.84/72,892.81
  6. Step 6: Final answer
    x = 67,094.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.